Home / 11,372.07-15,691.17-6,655.44

Finding the Fourth Proportional to 11,372.07, 15,691.17 and 6,655.44

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Solution

The fourth proportional to 11,372.07, 15,691.17 and 6,655.44 is: 9,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.07 : 15,691.17 = 6,655.44 : x
  2. Step 2: Convert to fraction form
    11,372.07/15,691.17 = 6,655.44/x
  3. Step 3: Cross multiply
    11,372.07x = 15,691.17 × 6,655.44
  4. Step 4: Simplify right side
    11,372.07x = 104,431,640.46
  5. Step 5: Solve for x
    x = 104,431,640.46/11,372.07
  6. Step 6: Final answer
    x = 9,183.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.